The Peerless RDTA is a rebuildable drip tank atomizer that comes with 4.0ml capacity. It is not only compatibled with 510 drip tip but also supported 810 drip tip. You will enjoy different vaping experience with them. This RDTA features an upgraded build deck which supports both small coils and large coils. The hinge-lock filling system makes refill more conveniently. Precise airflow system offers great flavor and eliminates leakage.